ammonites
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Graefenbergites arancensis Melendez Hevia 1989 (ammonite)

Cephalopoda - Ammonoidea - Perisphinctidae

PaleoDB taxon number: 318787

Alternative combination: Passendorferia (Enayites) arancensis

Belongs to Graefenbergites according to M. W. Maisch and A. T. Matzke 2018

Sister taxon: Graefenbergites idoceroides

Ecology: fast-moving nektonic carnivore

Average measurements (in mm): shell width 16.7, shell diameter 72.7